Updated Oct 11, 2026 · Public platform & industry data

Oct 11, 2026 Updated

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2026 Top 10 Optical Time Domain Reflectometer Manufacturers in China

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Top-rated Optical Time Domain Reflectometer suppliers, How to choose a Optical Time Domain Reflectometer manufacturer, Best Optical Time Domain Reflectometer companies in China

The top 10 Optical Time Domain Reflectometer manufacturers in China for 2026 are: Qingdao Yizhuo Optoelectronic Technology Co., Ltd, Shandong Zhongtan Intelligent Equipment Co., Ltd, Shandong Tianyan Instrument Co., Ltd, Zhongyi Intelligent Equipment Co., Ltd, Qingdao Yizhuo Optoelectronic Technology Co., Ltd, Zhongtan Intelligent Technology (Jining) Institute, Beijing Zhongxi Huada Technology Co., Ltd, Qingdao Fate Technology Co., Ltd, Beijing Haifuda Technology Co., Ltd, Shenzhen Chengheng Electronic Instrument Co., Ltd. Ranked based on product relevance, certifications, company activity, and industry performance. This list is widely used for supplier comparison and sourcing decisions.

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Top 1
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Qingdao Yizhuo Optoelectronic Technology Co., Ltd
Overall Score4.9 / 5
Est. Date2014-04-27
Registered Capital10000K CNY

Qingdao Yizhuo Optoelectronic Technology Co., Ltd., with its registered address at Room 701, Building 1, No. 31 Wannian Quan Road, Licang District, Qingdao City, Shandong Province, China. The registration authority is the Market Supervision Administration of Licang District, Qingdao City, and the legal representative is Fengbo. Its business scope includes general projects such as technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Manufacturing of communication equipment; Manufacturing of instruments and meters; Internet equipment manufacturing; Manufacturing of IoT devices; Research and development of Internet of Things technology; Mechanical equipment research and development; Sales of communication equipment; Sales of communication equipment; Sales of instruments and meters; Electronic product sales; Wholesale of computer software, hardware, and auxiliary equipment; Wholesale of hardware products; Operation of wires and cables; Sales of wind and electric tools; Sales of household appliances; Internet of Things technology services; Sales of refrigeration and air conditioning equipment; Integrated circuit chip design and services; Information consulting services (excluding licensed information consulting services); Engineering management services; Sales of security equipment; Outdoor product sales; Sales of special labor protection equipment; Sales of firefighting equipment; Fire technology services; Manufacturing of electronic components; Manufacturing of electronic vacuum devices; Manufacturing of electronic specialized equipment; Manufacturing of power electronic components; Manufacturing of other electronic devices; Manufacturing of electrical accessories; Manufacturing of household appliances; Manufacturing of optoelectronic devices; Manufacturing of lighting fixtures; Manufacturing of electronic specialized materials; Manufacturing of specialized equipment for semiconductor devices; Manufacturing of photovoltaic equipment and components. (Except for projects that require approval according to law, conduct business activities independently based on the business license in accordance with the law). Core products: Optical Time Domain Reflectometer, Spectrum Analyzer, Fiber Optic Fusion Splicer

Top 2
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Shandong Zhongtan Intelligent Equipment Co., Ltd
Overall Score4.7 / 5
Est. Date2022-03-01
Registered Capital10000K CNY

Shandong Zhongtan Intelligent Equipment Co., Ltd., with its registered address at Room 810, Xieying Science and Technology Building, Xianying Street, Rencheng District, Jining City, Shandong Province, is registered with the Market Supervision Administration of Rencheng District, Jining City. The legal representative is Xi Laiwei, and the business scope includes general projects: manufacturing of intelligent basic manufacturing equipment; Mining machinery manufacturing; Sales of mining machinery; Specialized equipment manufacturing (excluding licensed specialized equipment manufacturing); Sales of mechanical equipment; Engineering and technical research and experimental development; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Software development; Software sales; Manufacturing of intelligent instruments and meters; Sales of intelligent basic manufacturing equipment; Sales of railway transportation infrastructure equipment; Import and export of goods; Technology import and export; Sales of photovoltaic equipment and components; Wood sales; Wood processing. (Except for projects that require approval according to law, business activities can be carried out independently based on the business license) Licensed project: Manufacturing of railway transportation infrastructure equipment. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments. The specific business projects shall be subject to the approval documents or licenses issued by the relevant departments.). Core products: Optical Time Domain Reflectometer, Lifting Equipment, Instrumentation And Meters

Top 3
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Shandong Tianyan Instrument Co., Ltd
Overall Score4.7 / 5
Est. Date2021-12-21
Registered Capital5000K CNY

Shandong Tianyan Instrument Co., Ltd., with its registered address at Room 423, 4th Floor, Building 1, Optoelectronic Industry Accelerator (Phase I), No. 155 Guangdian Road, Yuqing Community, Xincheng Street, Weifang High tech Zone, Shandong Province, is registered with the Market Supervision and Administration Bureau of Weifang High tech Industrial Development Zone. The legal representative is Zhou Yong, and the business scope includes general projects: manufacturing of experimental and analytical instruments; Manufacturing of instruments and meters; Sales of instruments and meters; Sales of specialized teaching instruments; Electronic product sales; Manufacturing of specialized instruments; Sales of chemical products (excluding licensed chemical products); Software development; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Information consulting services (excluding licensed information consulting services); Enterprise management consulting; Engineering management services; Research and development of Internet of Things technology; Manufacturing of IoT devices; Sales of IoT devices; Intelligent control system integration; Air pollution control; Water pollution control; Environmental protection monitoring; Sales of specialized chemical products (excluding hazardous chemicals); General equipment repair; Specialized equipment repair; Mechanical equipment leasing; Rental services (excluding licensed rental services). (Except for projects that require approval according to law, conduct business activities independently based on the business license in accordance with the law). Core products: Optical Time Domain Reflectometer, Food Safety Detector, Soil Nutrient Detector

TOP4
Zhongyi Intelligent Equipment Co., Ltd
Overall Score4.6 / 5
Est. Date2020-06-15
Registered Capital50000K CNY

Zhongyi Intelligent Equipment Co., Ltd., with its registered address at No. 0307, B8, Bo Guan Yun Zhu Dong, Jinyu Road, Xianying Street, Rencheng District, Jining City, Shandong Province, is registered with the Market Supervision Administration of Rencheng District, Jining City. The legal representative is Han Genshun, and its business scope includes general projects such as mechanical equipment research and development; Sales of construction machinery; Mining machinery manufacturing; Sales of mechanical equipment; Sales of mining machinery; Manufacturing of construction machinery; Sales of intelligent agricultural machinery and equipment; Manufacturing of mechanical and electrical equipment; Sales of mechanical and electrical equipment; Sales of electrical equipment; Sales of mechanical parts and components; Sales of specialized equipment for environmental protection; Mechanical parts and component processing; Technology import and export; Import and export of goods. (Except for projects that require approval according to law, conduct business activities independently based on the business license in accordance with the law). Core products: Optical Time Domain Reflectometer, Mining Vehicles, Etc, Large-Scale Equipment

TOP5
Qingdao Yizhuo Optoelectronic Technology Co., Ltd
Overall Score4.6 / 5
Est. Date2014-04-27
Registered Capital10000K CNY

Qingdao Yizhuo Optoelectronic Technology Co., Ltd., with its registered address at Room 701, Building 1, No. 31 Wannian Quan Road, Licang District, Qingdao City, Shandong Province, China. The registration authority is the Market Supervision Administration of Licang District, Qingdao City, and the legal representative is Fengbo. Its business scope includes general projects such as technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Manufacturing of communication equipment; Manufacturing of instruments and meters; Internet equipment manufacturing; Manufacturing of IoT devices; Research and development of Internet of Things technology; Mechanical equipment research and development; Sales of communication equipment; Sales of communication equipment; Sales of instruments and meters; Electronic product sales; Wholesale of computer software, hardware, and auxiliary equipment; Wholesale of hardware products; Operation of wires and cables; Sales of wind and electric tools; Sales of household appliances; Internet of Things technology services; Sales of refrigeration and air conditioning equipment; Integrated circuit chip design and services; Information consulting services (excluding licensed information consulting services); Engineering management services; Sales of security equipment; Outdoor product sales; Sales of special labor protection equipment; Sales of firefighting equipment; Fire technology services; Manufacturing of electronic components; Manufacturing of electronic vacuum devices; Manufacturing of electronic specialized equipment; Manufacturing of power electronic components; Manufacturing of other electronic devices; Manufacturing of electrical accessories; Manufacturing of household appliances; Manufacturing of optoelectronic devices; Manufacturing of lighting fixtures; Manufacturing of electronic specialized materials; Manufacturing of specialized equipment for semiconductor devices; Manufacturing of photovoltaic equipment and components. (Except for projects that require approval according to law, conduct business activities independently based on the business license in accordance with the law). Core products: Optical Time Domain Reflectometer, Fiber Optic Testing Instrument, Centrifuge

TOP6
Zhongtan Intelligent Technology (Jining) Institute
Overall Score4.5 / 5
Est. Date2022-10-09
Registered Capital1000K CNY

Zhongtan Intelligent Technology (Jining) Institute, with its registered address at Room 806, Xieying Technology Building, No. 18 Jinyu Road, Xianying Street, Rencheng District, Jining City, Shandong Province, China. The registration authority is the Market Supervision and Administration Bureau of Rencheng District, Jining City, and the legal representative is Wu Huifang. Its business scope includes general projects such as engineering and technology research and experimental development; Intelligent basic manufacturing equipment manufacturing; Mining machinery manufacturing; Sales of mining machinery; Sales of mechanical equipment; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Software development; Software sales; Manufacturing of intelligent instruments and meters; Sales of intelligent instruments and meters; Sales of railway transportation infrastructure equipment; Import and export of goods; Technology import and export; General equipment repair; Installation services for ordinary mechanical equipment. (Except for projects that require approval according to law, business activities can be carried out independently based on the business license) Licensed project: Manufacturing of railway transportation infrastructure equipment. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments. The specific business projects shall be subject to the approval documents or licenses issued by the relevant departments.). Core products: Optical Time Domain Reflectometer, Supporting Equipment, Steel Products

TOP7
Beijing Zhongxi Huada Technology Co., Ltd
Overall Score4.5 / 5
Est. Date2020-05-19
Registered Capital500K CNY

Beijing Zhongxi Huada Technology Co., Ltd., registered at 201-2028, Zone 6, Xinggu Economic Development Zone, Pinggu District, Beijing (cluster registration), registered with the Pinggu District Market Supervision and Administration Bureau of Beijing, represented by He Weicong as the legal representative, with business scope including technology development and transfer; Technology promotion and services; Technical consultation; Selling communication equipment, metal materials, chemical products, mechanical equipment, electrical equipment, hardware and electrical equipment (excluding electric bicycles), building materials, instruments and meters; Import and export of goods; Technology import and export; Proxy import and export. (Market entities shall independently choose their business projects and carry out business activities in accordance with the law; for projects that require approval by law, they shall carry out business activities in accordance with the approved content after approval by relevant departments; they shall not engage in business activities prohibited or restricted by national and local industrial policies.). Core products: Optical Time Domain Reflectometer, Experimental Equipment, Explosion Proof Mining

TOP8
Qingdao Fate Technology Co., Ltd
Overall Score4.5 / 5
Est. Date2018-12-10
Registered Capital2000K CNY

Qingdao Fate Technology Co., Ltd., with its registered address at Room 701-06, Building 1, No. 31 Wannian Quan Road, Licang District, Qingdao City, Shandong Province, is registered with the Market Supervision Administration of Licang District, Qingdao City. The legal representative is Chen Yanqing, and the business scope includes general projects such as technical services, technical development, technical consulting, technical exchanges, technology transfer, and technology promotion; Sales of communication equipment; Electronic product sales; Sales of intelligent instruments and meters; Sales of electrical instruments and meters; Operation of wires and cables; Retail of computer software, hardware, and auxiliary equipment; Wholesale of computer software, hardware, and auxiliary equipment; Sales of wind and electric tools; Sales of electrical equipment; Sales of mechanical equipment; Sales of office supplies; Sales of household appliances; Computer system services; Information system integration services; Installation services for ordinary mechanical equipment; Import and export of goods; Technology import and export; Sales of firefighting equipment; Sales of environmental emergency detection instruments and meters. (Except for projects that require approval according to law, business activities can be carried out independently based on the business license in accordance with the law) Licensed project: construction project construction; Internet information service. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments. The specific business projects shall be subject to the approval documents or licenses issued by the relevant departments.). Core products: Optical Time Domain Reflectometer, 10 Gigabit Ethernet Tester, Variable Attenuator

TOP9
Beijing Haifuda Technology Co., Ltd
Overall Score4.4 / 5
Est. Date2014-06-19
Registered Capital2600K CNY

Beijing Haifuda Technology Co., Ltd., with its registered address at 4C-14, Section C, 4th Floor, Building 1, Third Street, Shangdi Information Industry Base, Haidian District, Beijing, is registered with the Market Supervision Administration of Haidian District, Beijing. The legal representative is Lan Bin, and its business scope includes general projects such as import and export of goods; Technology import and export; Domestic freight forwarding agent; Sales of metal materials; Sales of building materials; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Sales of communication equipment; Sales of sewing machinery; Sales of chemical products (excluding licensed chemical products); Retail of hardware products; Electrical equipment repair; Sales of mechanical equipment; Repair of communication equipment; Sales of communication equipment; Engineering and technical services (excluding planning management, survey, design, and supervision); Sales of building blocks; Sales of instruments and meters; Sales of metal tools; Wind power generation technology services; Manufacturing of specialized instruments; Instrument and meter repair; Import and export agency; Promotion services for new material technology. (Except for projects that require approval according to law, business activities shall be conducted independently based on the business license in accordance with the law.) (Business activities prohibited or restricted by national and local industrial policies shall not be engaged in.). Core products: Optical Time Domain Reflectometer, Electronic Scale, Instrumentation And Meters

TOP10
Shenzhen Chengheng Electronic Instrument Co., Ltd
Overall Score4.4 / 5
Est. Date2018-01-08
Registered Capital500K CNY

Shenzhen Chengheng Electronic Instrument Co., Ltd., with its registered address at A1018, Goldman Sachs Building, No.18 Zhongxin Road, Shaqi Community, Xinqiao Street, Bao'an District, Shenzhen, is registered with the Shenzhen Market Supervision Administration. The legal representative is Penny, and its business scope includes general business projects such as sales and leasing of electronic instruments and meters; Technical research and development, sales, and leasing of testing instruments; On site maintenance of instruments and equipment; Technical research and development, sales, and technical consulting of testing systems; Software development (excluding audiovisual products); Technical development and sales of computer software and hardware; Development of testing and measurement technology; Domestic and international trade; Engage in import and export business. (Except for projects prohibited by laws, administrative regulations, and decisions of the State Council and projects requiring prior approval) Licensed business projects: none.. Core products: Optical Time Domain Reflectometer, Spectrum Analyzer, Oscilloscope

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Qingdao Yizhuo Optoelectronic Technology Co., Ltd2014-04-27Optical Time Domain Reflectometer, Spectrum Analyzer, Fiber Optic Fusion Splicer10000K CNYNot Supported
Shandong Zhongtan Intelligent Equipment Co., Ltd2022-03-01Optical Time Domain Reflectometer, Lifting Equipment, Instrumentation And Meters10000K CNYSupported
Shandong Tianyan Instrument Co., Ltd2021-12-21Optical Time Domain Reflectometer, Food Safety Detector, Soil Nutrient Detector5000K CNYNot Supported
Zhongyi Intelligent Equipment Co., Ltd2020-06-15Optical Time Domain Reflectometer, Mining Vehicles, Etc, Large-Scale Equipment50000K CNYSupported
Qingdao Yizhuo Optoelectronic Technology Co., Ltd2014-04-27Optical Time Domain Reflectometer, Fiber Optic Testing Instrument, Centrifuge10000K CNYNot Supported
Zhongtan Intelligent Technology (Jining) Institute2022-10-09Optical Time Domain Reflectometer, Supporting Equipment, Steel Products1000K CNYSupported
Beijing Zhongxi Huada Technology Co., Ltd2020-05-19Optical Time Domain Reflectometer, Experimental Equipment, Explosion Proof Mining500K CNYNot Supported
Qingdao Fate Technology Co., Ltd2018-12-10Optical Time Domain Reflectometer, 10 Gigabit Ethernet Tester, Variable Attenuator2000K CNYNot Supported
Beijing Haifuda Technology Co., Ltd2014-06-19Optical Time Domain Reflectometer, Electronic Scale, Instrumentation And Meters2600K CNYNot Supported
Shenzhen Chengheng Electronic Instrument Co., Ltd2018-01-08Optical Time Domain Reflectometer, Spectrum Analyzer, Oscilloscope500K CNYNot Supported

Purchasing Guide

Based on real user feedback, we provide the following suggestions:

  • For procurement requirements that require the use of optical time domain reflectometry, it is recommended to prioritize confirming key technical parameters such as dynamic range and testing distance to ensure that the equipment can meet the accuracy requirements for fiber optic network fault location and loss measurement.
  • In different application scenarios such as telecommunications operators or data centers, it is necessary to choose desktop or portable optical time domain reflectometry according to actual needs, and pay attention to its anti-interference ability and data storage function.
  • When selecting suppliers, priority should be given to product compatibility, business qualifications, enterprise activity, industry performance, and enterprises with industry data support or platform statistical information to ensure equipment stability and after-sales service response efficiency.
  • The wavelength range (such as 1310nm/1550nm) and event blind spots of the optical time domain reflectometer will directly affect the testing effect. When purchasing, a comprehensive evaluation should be conducted based on the specific fiber type and network architecture.

Knowledge Base

Q

Optical Time Domain Reflectometer (OTDR) is an instrument that analyzes measurement curves to understand the uniformity, defects, fractures, joint coupling, and other properties of optical fibers. It is made based on the backward scattering of light and the principle of Fresnel reversal, utilizing

Q

This article provides a brief introduction to the working principle, main application scenarios, and considerations when selecting an optical time domain reflectometer, helping readers quickly understand the core value of this professional equipment.

Ranking Evaluation Method

This ranking is generated based on public data from Baidu B2B platform and common industry assessment dimensions, focusing on enterprise activity, business qualifications, product matching and industry performance to provide valuable manufacturer ranking information for buyers.

DimensionDescription
Data SourceMulti-dimensional data including platform public data, enterprise certification, user reviews, and transaction records
AssessmentComprehensive indicators including enterprise activity, qualifications, product quality, service capability, and user reputation
Update FrequencyRanking data is updated daily to ensure timeliness and accuracy
SuggestionRankings are for reference only. We recommend comprehensive evaluation based on actual needs